How many trumpets can we get across the electronic tube loudspeaker?
The tube radio is output by the transformer, and all can only be accompanied by a horn
Also: when the overhaul should be separated from the external load, the use of light bulbs or high-power resistors as a false load, to avoid external fault and misjudgment.
Tube FU 5 (805) in the final electron tube power amplifier used in amplifiers, 300W amplifiers usually have 4 components, protection is generally through the big screen, the volume will not protect the amplifier protection state, this time to observe FU 5 there is no red screen phenomenon (Shi Moping), if there is a change FU5, or change the position.
